<script setup lang="ts">
import { computed, reactive, ref } from 'vue';

import { LockKeyhole } from '#/icons';
import { $t, useI18n } from '#/locales';
import { useAccessStore } from '#/stores';
import { storeToRefs } from 'pinia';

import { useScrollLock } from '#/hooks';
import { useForm, z } from '#/ui-kit/form-ui';
import { BasicAvatar, BasicButton } from '#/components/shadcn-ui';

import { useDateFormat, useNow } from '@vueuse/core';

interface Props {
  avatar?: string;
}

defineOptions({
  name: 'LockScreen',
});

withDefaults(defineProps<Props>(), {
  avatar: '',
});

defineEmits<{ toLogin: [] }>();

const { locale } = useI18n();
const accessStore = useAccessStore();

const now = useNow();
const meridiem = useDateFormat(now, 'A');
const hour = useDateFormat(now, 'HH');
const minute = useDateFormat(now, 'mm');
const date = useDateFormat(now, 'YYYY-MM-DD dddd', { locales: locale.value });

const showUnlockForm = ref(false);
const { lockScreenPassword } = storeToRefs(accessStore);

const [Form, { form, validate, getFieldComponentRef }] = useForm(
    reactive({
      commonConfig: {
        hideLabel: true,
        hideRequiredMark: true,
      },
      schema: computed(() => [
        {
          component: 'BasicInputPassword' as const,
          componentProps: {
            placeholder: $t('ui.widgets.lockScreen.placeholder'),
          },
          fieldName: 'password',
          label: $t('authentication.password'),
          rules: z.string().min(1, { message: $t('authentication.passwordTip') }),
        },
      ]),
      showDefaultActions: false,
    }),
);

const validPass = computed(
    () => lockScreenPassword?.value === form?.values?.password,
);

async function handleSubmit() {
  const { valid } = await validate();
  if (valid) {
    if (validPass.value) {
      accessStore.unlockScreen();
    } else {
      form.setFieldError('password', $t('authentication.passwordErrorTip'));
    }
  }
}

function toggleUnlockForm() {
  showUnlockForm.value = !showUnlockForm.value;
  if (showUnlockForm.value) {
    requestAnimationFrame(() => {
      getFieldComponentRef('password')
          ?.$el?.querySelector('[name="password"]')
          ?.focus();
    });
  }
}

useScrollLock();
</script>

<template>
  <div class="bg-background fixed z-[2000] size-full">
    <transition name="slide-left">
      <div v-show="!showUnlockForm" class="size-full">
        <div
            class="flex-col-center text-foreground/80 hover:text-foreground group fixed left-1/2 top-6 z-[2001] -translate-x-1/2 cursor-pointer text-xl font-semibold"
            @click="toggleUnlockForm"
        >
          <LockKeyhole
              class="size-5 transition-all duration-300 group-hover:scale-125"
          />
          <span>{{ $t('ui.widgets.lockScreen.unlock') }}</span>
        </div>
        <div class="flex h-full w-full items-center justify-center">
          <div class="flex w-full justify-center gap-4 px-4 sm:gap-6 md:gap-8">
            <div
                class="bg-accent relative flex h-[140px] w-[140px] items-center justify-center rounded-xl text-[36px] sm:h-[160px] sm:w-[160px] sm:text-[42px] md:h-[200px] md:w-[200px] md:text-[72px]"
            >
              <span
                  class="absolute left-3 top-3 text-xs font-semibold sm:text-sm md:text-xl"
              >
                {{ meridiem }}
              </span>
              {{ hour }}
            </div>
            <div
                class="bg-accent flex h-[140px] w-[140px] items-center justify-center rounded-xl text-[36px] sm:h-[160px] sm:w-[160px] sm:text-[42px] md:h-[200px] md:w-[200px] md:text-[72px]"
            >
              {{ minute }}
            </div>
          </div>
        </div>
      </div>
    </transition>

    <transition name="slide-right">
      <div
          v-if="showUnlockForm"
          class="flex-center size-full"
          @keydown.enter.prevent="handleSubmit"
      >
        <div class="flex-col-center mb-10 w-[90%] max-w-[300px] px-4">
          <BasicAvatar :src="avatar" class="enter-x mb-6 size-20" />
          <div class="enter-x mb-2 w-full items-center">
            <Form />
          </div>
          <BasicButton class="enter-x w-full" @click="handleSubmit">
            {{ $t('ui.widgets.lockScreen.entry') }}
          </BasicButton>
          <BasicButton
              class="enter-x my-2 w-full"
              variant="ghost"
              @click="$emit('toLogin')"
          >
            {{ $t('ui.widgets.lockScreen.backToLogin') }}
          </BasicButton>
          <BasicButton
              class="enter-x mr-2 w-full"
              variant="ghost"
              @click="toggleUnlockForm"
          >
            {{ $t('common.back') }}
          </BasicButton>
        </div>
      </div>
    </transition>

    <div
        class="enter-y absolute bottom-5 w-full text-center text-xl md:text-2xl xl:text-xl 2xl:text-3xl"
    >
      <div v-if="showUnlockForm" class="enter-x mb-2 text-2xl md:text-3xl">
        {{ hour }}:{{ minute }}
        <span class="text-base md:text-lg">{{ meridiem }}</span>
      </div>
      <div class="text-xl md:text-3xl">{{ date }}</div>
    </div>
  </div>
</template>
